Harvard Uncertainty Speech Corpus

The Harvard Uncertainty Speech Corpus is a collection of speech recordings, elicitation materials, level of certainty annotations, and acoustic-prosodic data. The utterances were recorded in a laboratory, in a question-answering setting. In total, the corpus contains 1700 utterances from 42 speakers of American English, 148.79 minutes of speech.

Corpus properties

Utterances range in level of certainty {uncertain, neutral, certain} by controlling the difficulty of the questions